Uncovering the London Link

Abu Doha, who also goes by the names of Amar Makhlulif, Rachid Boukhalfa and Rachid Kefflous, is suspected of having been one of Ouassini Cherifi's key London contacts. An Algerian, he came to Britain in 1999 after allegedly being involved with an al-Qaeda training camp in Afghanistan. Doha is suspected of being the mastermind behind the foiled millennium bomb attack on Los Angeles airport on Dec. 31, 1999.

Arrested at London's Heathrow Airport last February, he is in custody fighting extradition to the U.S., where he was indicted in August for conspiracy to commit terrorist acts and providing money, safe...